From: Matthijs Mekking Date: Mon, 29 Oct 2012 14:06:00 +0000 (+0000) Subject: Fix validation for responses with CNAME and wildcard expanded CNAME in X-Git-Tag: release-1.4.19rc1~9 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=79ffc1ab8104247081561a4d88d1cff1f64ba793;p=thirdparty%2Funbound.git Fix validation for responses with CNAME and wildcard expanded CNAME in ANSWER section. git-svn-id: file:///svn/unbound/trunk@2777 be551aaa-1e26-0410-a405-d3ace91eadb9 --- diff --git a/doc/Changelog b/doc/Changelog index b32753cad..32d4fceeb 100644 --- a/doc/Changelog +++ b/doc/Changelog @@ -1,3 +1,7 @@ +29 October 2012: Matthijs + - Fix validation for responses with both CNAME and wildcard + expanded CNAME records in answer section. + 8 October 2012: Wouter - update ldns-testpkts.c to ldns 1.6.14 version. - fix build of pythonmod in objdir, for unbound.py. diff --git a/testdata/val_cnametocnamewctoposwc.rpl b/testdata/val_cnametocnamewctoposwc.rpl new file mode 100644 index 000000000..12f83e82b --- /dev/null +++ b/testdata/val_cnametocnamewctoposwc.rpl @@ -0,0 +1,208 @@ +; config options +; The island of trust is at example.com +server: + trust-anchor: "example.com. IN DNSKEY 257 3 8 AwEAAdL6YJdvoKQJEt/SgB6MrbQ2RDwnrcQQb6bDE8FpGgLen6hvF31ntVsZ3RZzhCmwL6lvumOLFIRKaP9ZBEVutT9iMoF2dNRbT0TCUrv6uQNHcuCZ0BJhuDNBU42f3yOnfFv7PKxd0NP+yFHJkvDQAVLMB5GeUQuYnvgQGeZsf/3b" + val-override-date: "-1" + target-fetch-policy: "0 0 0 0 0" + +stub-zone: + name: "." + stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET. +CONFIG_END + +SCENARIO_BEGIN Test validator with a regular cname to wildcard cname to wildcard response + +; K.ROOT-SERVERS.NET. +RANGE_BEGIN 0 100 + ADDRESS 193.0.14.129 +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +. IN NS +SECTION ANSWER +. IN NS K.ROOT-SERVERS.NET. +SECTION ADDITIONAL +K.ROOT-SERVERS.NET. IN A 193.0.14.129 +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +start.example.com. IN A +SECTION AUTHORITY +com. IN NS a.gtld-servers.net. +SECTION ADDITIONAL +a.gtld-servers.net. IN A 192.5.6.30 +ENTRY_END + +RANGE_END + +; a.gtld-servers.net. +RANGE_BEGIN 0 100 + ADDRESS 192.5.6.30 +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +com. IN NS +SECTION ANSWER +com. IN NS a.gtld-servers.net. +SECTION ADDITIONAL +a.gtld-servers.net. IN A 192.5.6.30 +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +start.example.com. IN A +SECTION AUTHORITY +example.com. IN NS ns.example.com. +SECTION ADDITIONAL +ns.example.com. 120 IN A 1.2.3.4 +ENTRY_END +RANGE_END + +; ns.example.com. +RANGE_BEGIN 0 100 + ADDRESS 1.2.3.4 +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +example.com. IN NS +SECTION ANSWER +example.com. 3600 IN NS ns.example.com. +example.com. 3600 IN RRSIG NS 8 2 3600 20121126123249 20121029123249 64050 example.com. cpLjgKPacNxVIGo59tYMZ98GVYpH28WHRWj3AeIHK0StYFcAlflGLdkae1LEgMwfUmzrayrA5GMe3AH8LyuTgA2Dn1oNFxGfuShQvK2MFQ+LxvQfiuoqlAlL5Aa94IWcSoU/wLrr66I1K8oSB2yK1Tyyv73c2N40D1mBbzIE70U= +SECTION ADDITIONAL +ns.example.com. 3600 IN A 1.2.3.4 +ns.example.com. 3600 IN RRSIG A 8 2 3600 20121126123249 20121029123249 64050 example.com. zxGyimwFsd39j8T7jJ+tSAQPwZ7tjk6HHmzosTMCRePM4k4newbLb5HbrpucSiW/plaEZvjRTDTJ6bPkw0msPXjPCI/22Zh236XO5vhGtMOlxDgAEazuhifVF6UsM7GZwONPBCvw705HgWQyCR1YlTK2w9ffH3GopU9f4oP7Pmk= +ENTRY_END + +; response to DNSKEY priming query +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +example.com. IN DNSKEY +SECTION ANSWER +example.com. 3600 IN DNSKEY 256 3 8 AwEAAdWzfjQD2bfQuoQGNYuS0ByosBxiTkoKcy9kMoWOQ/jx9rvTRhHImWxTxFtIyZOoRgn6E6mE71e5Y1q1nuyH544Em+4rNRMMW4bzecQmMmPk+B97MqW9aW6e4BwiCTt52IGfL++5GORYcaITw9UOlQLYH1oHHUNUC6ebHENofLTj ;{id = 64050 (zsk), size = 1024b} +example.com. 3600 IN DNSKEY 257 3 8 AwEAAdL6YJdvoKQJEt/SgB6MrbQ2RDwnrcQQb6bDE8FpGgLen6hvF31ntVsZ3RZzhCmwL6lvumOLFIRKaP9ZBEVutT9iMoF2dNRbT0TCUrv6uQNHcuCZ0BJhuDNBU42f3yOnfFv7PKxd0NP+yFHJkvDQAVLMB5GeUQuYnvgQGeZsf/3b ;{id = 46426 (ksk), size = 1024b} +example.com. 3600 IN RRSIG DNSKEY 8 2 3600 20121126123249 20121029123249 46426 example.com. pisNb/A40XDEiMpcYtxc+yO6osISyfpqz+0UZ61pd70+TLXMF197zr9SqOVJHyRI6G2lSnFggxYrZDpxLbxOW0RY/KfjD3xlI14M/2DieJ1NdlQuYFGgTwxcoINUJ/wRd4YUxkF4JS0D4NBdQ0yQYR0KqDr84oyhnULEHX6WB7s= +SECTION AUTHORITY +SECTION ADDITIONAL +ENTRY_END + +; response to query of interest +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +start.example.com. IN A +SECTION ANSWER +start.example.com. 3600 IN CNAME x.y.z.wc.example.com. +start.example.com. 3600 IN RRSIG CNAME 8 3 3600 20121126131853 20121029131853 64050 example.com. uN8+hg2b9kqpso4zTtpb8CdkGkgOdlbayH1Ui7NVSi1Y8un8FDG4NHy2gpCi0zIMpeAOa5bENe3cdTEwYZKHQdvnGjaI/zFWpFAzXsEFg0VlLxDQXSzRB6GtoFoUEYiZBHsmLIy3zWjuihlWK9fRzyPyVtBDDmqU8KK7+H3BYp0= +x.y.z.wc.example.com. 3600 IN CNAME x.y.z.end.example.com. +x.y.z.wc.example.com. 3600 IN RRSIG CNAME 8 3 3600 20121126131853 20121029131853 64050 example.com. NQTIY1uMK1jxVMHOaMB4shedyhdAERZuPiZXytfqSH36hDVMf1C8tSxdbCjJ90lOLEWNtMmT09l5kh14gp1XIaBHzLuDsYmZJVeudBGCaQRkbM5focd2VMd8V4hHQk4odwsRrSY6IETftHeqeFiRifru/rI3x5Dlv8awI6V5TZI= +x.y.z.end.example.com. 3600 IN A 1.2.3.5 +x.y.z.end.example.com. 3600 IN RRSIG A 8 3 3600 20121126131826 20121029131826 64050 example.com. iS1Pe45xt8SLGlmfmrSPTrnIAlwpIX8leTrsoLgpQJc98aA0XJmO/D32CbMTRZzAM1oBVggm80ht2RIQkX3W1NvN/prcu+Gp0Zrm0rtW+7Q7VwcSbo7jyHh5K8Mppp2OsCleexco5NVAKpDMvD0nyG+CsKtNMQpKK2DlumQsraE= +SECTION AUTHORITY +*.wc.example.com. 86400 IN NSEC www.example.com. CNAME RRSIG NSEC +*.wc.example.com. 86400 IN RRSIG NSEC 8 3 86400 20121126131853 20121029131853 64050 example.com. YrmCLu0uGgD2gcU4p12BGnUGYcrKmfg82MJHSF5OnVmmJxXiSbSBnZPahbJNGA/kPLt+SlDyBTcssZKXWxM6bW7WF57OwffOj7rMyr5vhx7J6OsuWKotPVqnUFDx9j/rOum24yCKqoBWvpW/RYUHLuX1Wm05WMCgNWhuN4wqwiU= +*.end.example.com. 86400 IN NSEC escapedtext.example.com. A RRSIG NSEC +*.end.example.com. 86400 IN RRSIG NSEC 8 3 86400 20121126131826 20121029131826 64050 example.com. P6uJSImaee+5NHlTP06pMxgO69qxjJc0Uo1+htjVyE8f15MhG8A7NttvzggbtyzmfLMPr7TilM+Mm7hC3pIk/TeBEdH8p+8qypnY0NzPntz5z1+6C6ZTjDXp6NxDwMz7th31r3B3u4xo/K4qMnXmrAFOIE5Lopk0uDGXfjKPCKE= +example.com. 3600 IN NS ns.example.com. +example.com. 3600 IN RRSIG NS 8 2 3600 20121126131826 20121029131826 64050 example.com. NgY7UAdkXprnCi/O6c5XoB82tqLBd1bY9LmDG9wwN0zEUR5aHQcOmX9waHyqXQI86SOFQbGCvO2wDLqdqWniw1IYf4S66Vf9KrpaH2gVbvHKiEpGJPeDYQcD5xkv50Lsp4ktcLyuO/dk8ORCP7E2yC5IQVNeFgUfaqttZcJoxuQ= +SECTION ADDITIONAL +ns.example.com. 3600 IN A 1.2.3.4 +ns.example.com. 3600 IN RRSIG A 8 2 3600 20121126131826 20121029131826 64050 example.com. L/EsWsRNhM0Lt8877XYfm0FkVc+utuRPYlW/yxEi/Nzs/mTb9BMrOygsW0qfpYakYgfFvinR7S7ce9/naWidzGkWKYR85g2WFms3/TgchpmfjZHEsNyuT8zsiGrj3bQ3RxpT5cmt/IS2QlOak/RhdtawKfd9aqkMTVpP2idEQwY= +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +x.y.z.wc.example.com. IN A +SECTION ANSWER +x.y.z.wc.example.com. 3600 IN CNAME x.y.z.end.example.com. +x.y.z.wc.example.com. 3600 IN RRSIG CNAME 8 3 3600 20121126131853 20121029131853 64050 example.com. NQTIY1uMK1jxVMHOaMB4shedyhdAERZuPiZXytfqSH36hDVMf1C8tSxdbCjJ90lOLEWNtMmT09l5kh14gp1XIaBHzLuDsYmZJVeudBGCaQRkbM5focd2VMd8V4hHQk4odwsRrSY6IETftHeqeFiRifru/rI3x5Dlv8awI6V5TZI= +x.y.z.end.example.com. 3600 IN A 1.2.3.5 +x.y.z.end.example.com. 3600 IN RRSIG A 8 3 3600 20121126131826 20121029131826 64050 example.com. iS1Pe45xt8SLGlmfmrSPTrnIAlwpIX8leTrsoLgpQJc98aA0XJmO/D32CbMTRZzAM1oBVggm80ht2RIQkX3W1NvN/prcu+Gp0Zrm0rtW+7Q7VwcSbo7jyHh5K8Mppp2OsCleexco5NVAKpDMvD0nyG+CsKtNMQpKK2DlumQsraE= +SECTION AUTHORITY +*.wc.example.com. 86400 IN NSEC www.example.com. CNAME RRSIG NSEC +*.wc.example.com. 86400 IN RRSIG NSEC 8 3 86400 20121126131853 20121029131853 64050 example.com. YrmCLu0uGgD2gcU4p12BGnUGYcrKmfg82MJHSF5OnVmmJxXiSbSBnZPahbJNGA/kPLt+SlDyBTcssZKXWxM6bW7WF57OwffOj7rMyr5vhx7J6OsuWKotPVqnUFDx9j/rOum24yCKqoBWvpW/RYUHLuX1Wm05WMCgNWhuN4wqwiU= +*.end.example.com. 86400 IN NSEC escapedtext.example.com. A RRSIG NSEC +*.end.example.com. 86400 IN RRSIG NSEC 8 3 86400 20121126131826 20121029131826 64050 example.com. P6uJSImaee+5NHlTP06pMxgO69qxjJc0Uo1+htjVyE8f15MhG8A7NttvzggbtyzmfLMPr7TilM+Mm7hC3pIk/TeBEdH8p+8qypnY0NzPntz5z1+6C6ZTjDXp6NxDwMz7th31r3B3u4xo/K4qMnXmrAFOIE5Lopk0uDGXfjKPCKE= +example.com. 3600 IN NS ns.example.com. +example.com. 3600 IN RRSIG NS 8 2 3600 20121126131826 20121029131826 64050 example.com. NgY7UAdkXprnCi/O6c5XoB82tqLBd1bY9LmDG9wwN0zEUR5aHQcOmX9waHyqXQI86SOFQbGCvO2wDLqdqWniw1IYf4S66Vf9KrpaH2gVbvHKiEpGJPeDYQcD5xkv50Lsp4ktcLyuO/dk8ORCP7E2yC5IQVNeFgUfaqttZcJoxuQ= +SECTION ADDITIONAL +ns.example.com. 3600 IN A 1.2.3.4 +ns.example.com. 3600 IN RRSIG A 8 2 3600 20121126131826 20121029131826 64050 example.com. L/EsWsRNhM0Lt8877XYfm0FkVc+utuRPYlW/yxEi/Nzs/mTb9BMrOygsW0qfpYakYgfFvinR7S7ce9/naWidzGkWKYR85g2WFms3/TgchpmfjZHEsNyuT8zsiGrj3bQ3RxpT5cmt/IS2QlOak/RhdtawKfd9aqkMTVpP2idEQwY= +ENTRY_END + +ENTRY_BEGING +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +x.y.z.end.example.com. IN A +SECTION ANSWER +x.y.z.end.example.com. 3600 IN A 1.2.3.5 +x.y.z.end.example.com. 3600 IN RRSIG A 8 3 3600 20121126131826 20121029131826 64050 example.com. iS1Pe45xt8SLGlmfmrSPTrnIAlwpIX8leTrsoLgpQJc98aA0XJmO/D32CbMTRZzAM1oBVggm80ht2RIQkX3W1NvN/prcu+Gp0Zrm0rtW+7Q7VwcSbo7jyHh5K8Mppp2OsCleexco5NVAKpDMvD0nyG+CsKtNMQpKK2DlumQsraE= +SECTION AUTHORITY +*.end.example.com. 86400 IN NSEC escapedtext.example.com. A RRSIG NSEC +*.end.example.com. 86400 IN RRSIG NSEC 8 3 86400 20121126131826 20121029131826 64050 example.com. P6uJSImaee+5NHlTP06pMxgO69qxjJc0Uo1+htjVyE8f15MhG8A7NttvzggbtyzmfLMPr7TilM+Mm7hC3pIk/TeBEdH8p+8qypnY0NzPntz5z1+6C6ZTjDXp6NxDwMz7th31r3B3u4xo/K4qMnXmrAFOIE5Lopk0uDGXfjKPCKE= +example.com. 3600 IN NS ns.example.com. +example.com. 3600 IN RRSIG NS 8 2 3600 20121126131826 20121029131826 64050 example.com. NgY7UAdkXprnCi/O6c5XoB82tqLBd1bY9LmDG9wwN0zEUR5aHQcOmX9waHyqXQI86SOFQbGCvO2wDLqdqWniw1IYf4S66Vf9KrpaH2gVbvHKiEpGJPeDYQcD5xkv50Lsp4ktcLyuO/dk8ORCP7E2yC5IQVNeFgUfaqttZcJoxuQ= +SECTION ADDITIONAL +ns.example.com. 3600 IN A 1.2.3.4 +ns.example.com. 3600 IN RRSIG A 8 2 3600 20121126123249 20121029123249 64050 example.com. zxGyimwFsd39j8T7jJ+tSAQPwZ7tjk6HHmzosTMCRePM4k4newbLb5HbrpucSiW/plaEZvjRTDTJ6bPkw0msPXjPCI/22Zh236XO5vhGtMOlxDgAEazuhifVF6UsM7GZwONPBCvw705HgWQyCR1YlTK2w9ffH3GopU9f4oP7Pmk= +ENTRY_END +RANGE_END + + + +STEP 1 QUERY +ENTRY_BEGIN +REPLY RD DO +SECTION QUESTION +start.example.com. IN A +ENTRY_END + +; recursion happens here. +STEP 10 CHECK_ANSWER +ENTRY_BEGIN +MATCH all +REPLY QR RD RA AD NOERROR +SECTION QUESTION +start.example.com. IN A +SECTION ANSWER +start.example.com. 3600 IN CNAME x.y.z.wc.example.com. +start.example.com. 3600 IN RRSIG CNAME 8 3 3600 20121126131853 20121029131853 64050 example.com. uN8+hg2b9kqpso4zTtpb8CdkGkgOdlbayH1Ui7NVSi1Y8un8FDG4NHy2gpCi0zIMpeAOa5bENe3cdTEwYZKHQdvnGjaI/zFWpFAzXsEFg0VlLxDQXSzRB6GtoFoUEYiZBHsmLIy3zWjuihlWK9fRzyPyVtBDDmqU8KK7+H3BYp0= +x.y.z.wc.example.com. 3600 IN CNAME x.y.z.end.example.com. +x.y.z.wc.example.com. 3600 IN RRSIG CNAME 8 3 3600 20121126131853 20121029131853 64050 example.com. NQTIY1uMK1jxVMHOaMB4shedyhdAERZuPiZXytfqSH36hDVMf1C8tSxdbCjJ90lOLEWNtMmT09l5kh14gp1XIaBHzLuDsYmZJVeudBGCaQRkbM5focd2VMd8V4hHQk4odwsRrSY6IETftHeqeFiRifru/rI3x5Dlv8awI6V5TZI= +x.y.z.end.example.com. 3600 IN A 1.2.3.5 +x.y.z.end.example.com. 3600 IN RRSIG A 8 3 3600 20121126131826 20121029131826 64050 example.com. iS1Pe45xt8SLGlmfmrSPTrnIAlwpIX8leTrsoLgpQJc98aA0XJmO/D32CbMTRZzAM1oBVggm80ht2RIQkX3W1NvN/prcu+Gp0Zrm0rtW+7Q7VwcSbo7jyHh5K8Mppp2OsCleexco5NVAKpDMvD0nyG+CsKtNMQpKK2DlumQsraE= +SECTION AUTHORITY +*.wc.example.com. 86400 IN NSEC www.example.com. CNAME RRSIG NSEC +*.wc.example.com. 86400 IN RRSIG NSEC 8 3 86400 20121126131853 20121029131853 64050 example.com. YrmCLu0uGgD2gcU4p12BGnUGYcrKmfg82MJHSF5OnVmmJxXiSbSBnZPahbJNGA/kPLt+SlDyBTcssZKXWxM6bW7WF57OwffOj7rMyr5vhx7J6OsuWKotPVqnUFDx9j/rOum24yCKqoBWvpW/RYUHLuX1Wm05WMCgNWhuN4wqwiU= +*.end.example.com. 86400 IN NSEC escapedtext.example.com. A RRSIG NSEC +*.end.example.com. 86400 IN RRSIG NSEC 8 3 86400 20121126131826 20121029131826 64050 example.com. P6uJSImaee+5NHlTP06pMxgO69qxjJc0Uo1+htjVyE8f15MhG8A7NttvzggbtyzmfLMPr7TilM+Mm7hC3pIk/TeBEdH8p+8qypnY0NzPntz5z1+6C6ZTjDXp6NxDwMz7th31r3B3u4xo/K4qMnXmrAFOIE5Lopk0uDGXfjKPCKE= +example.com. 3600 IN NS ns.example.com. +example.com. 3600 IN RRSIG NS 8 2 3600 20121126131826 20121029131826 64050 example.com. NgY7UAdkXprnCi/O6c5XoB82tqLBd1bY9LmDG9wwN0zEUR5aHQcOmX9waHyqXQI86SOFQbGCvO2wDLqdqWniw1IYf4S66Vf9KrpaH2gVbvHKiEpGJPeDYQcD5xkv50Lsp4ktcLyuO/dk8ORCP7E2yC5IQVNeFgUfaqttZcJoxuQ= +SECTION ADDITIONAL +ns.example.com. 3600 IN A 1.2.3.4 +ns.example.com. 3600 IN RRSIG A 8 2 3600 20121126123249 20121029123249 64050 example.com. zxGyimwFsd39j8T7jJ+tSAQPwZ7tjk6HHmzosTMCRePM4k4newbLb5HbrpucSiW/plaEZvjRTDTJ6bPkw0msPXjPCI/22Zh236XO5vhGtMOlxDgAEazuhifVF6UsM7GZwONPBCvw705HgWQyCR1YlTK2w9ffH3GopU9f4oP7Pmk= +ENTRY_END + +SCENARIO_END diff --git a/testdata/val_nsec3_cnametocnamewctoposwc.rpl b/testdata/val_nsec3_cnametocnamewctoposwc.rpl new file mode 100644 index 000000000..d6e92d89a --- /dev/null +++ b/testdata/val_nsec3_cnametocnamewctoposwc.rpl @@ -0,0 +1,206 @@ +; config options +; The island of trust is at example.com +server: + trust-anchor: "example.com. IN DNSKEY 257 3 8 AwEAAdL6YJdvoKQJEt/SgB6MrbQ2RDwnrcQQb6bDE8FpGgLen6hvF31ntVsZ3RZzhCmwL6lvumOLFIRKaP9ZBEVutT9iMoF2dNRbT0TCUrv6uQNHcuCZ0BJhuDNBU42f3yOnfFv7PKxd0NP+yFHJkvDQAVLMB5GeUQuYnvgQGeZsf/3b" + val-override-date: "-1" + target-fetch-policy: "0 0 0 0 0" + +stub-zone: + name: "." + stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET. +CONFIG_END + +SCENARIO_BEGIN Test validator with a regular cname to wildcard cname to wildcard response + +; K.ROOT-SERVERS.NET. +RANGE_BEGIN 0 100 + ADDRESS 193.0.14.129 +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +. IN NS +SECTION ANSWER +. IN NS K.ROOT-SERVERS.NET. +SECTION ADDITIONAL +K.ROOT-SERVERS.NET. IN A 193.0.14.129 +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +start.example.com. IN A +SECTION AUTHORITY +com. IN NS a.gtld-servers.net. +SECTION ADDITIONAL +a.gtld-servers.net. IN A 192.5.6.30 +ENTRY_END + +RANGE_END + +; a.gtld-servers.net. +RANGE_BEGIN 0 100 + ADDRESS 192.5.6.30 +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +com. IN NS +SECTION ANSWER +com. IN NS a.gtld-servers.net. +SECTION ADDITIONAL +a.gtld-servers.net. IN A 192.5.6.30 +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +start.example.com. IN A +SECTION AUTHORITY +example.com. IN NS ns.example.com. +SECTION ADDITIONAL +ns.example.com. 120 IN A 1.2.3.4 +ENTRY_END +RANGE_END + +; ns.example.com. +RANGE_BEGIN 0 100 + ADDRESS 1.2.3.4 +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +example.com. IN NS +SECTION ANSWER +example.com. 3600 IN NS ns.example.com. +example.com. 3600 IN RRSIG NS 8 2 3600 20121126123249 20121029123249 64050 example.com. cpLjgKPacNxVIGo59tYMZ98GVYpH28WHRWj3AeIHK0StYFcAlflGLdkae1LEgMwfUmzrayrA5GMe3AH8LyuTgA2Dn1oNFxGfuShQvK2MFQ+LxvQfiuoqlAlL5Aa94IWcSoU/wLrr66I1K8oSB2yK1Tyyv73c2N40D1mBbzIE70U= +SECTION ADDITIONAL +ns.example.com. 3600 IN A 1.2.3.4 +ns.example.com. 3600 IN RRSIG A 8 2 3600 20121126123249 20121029123249 64050 example.com. zxGyimwFsd39j8T7jJ+tSAQPwZ7tjk6HHmzosTMCRePM4k4newbLb5HbrpucSiW/plaEZvjRTDTJ6bPkw0msPXjPCI/22Zh236XO5vhGtMOlxDgAEazuhifVF6UsM7GZwONPBCvw705HgWQyCR1YlTK2w9ffH3GopU9f4oP7Pmk= +ENTRY_END + +; response to DNSKEY priming query +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +example.com. IN DNSKEY +SECTION ANSWER +example.com. 3600 IN DNSKEY 256 3 8 AwEAAdWzfjQD2bfQuoQGNYuS0ByosBxiTkoKcy9kMoWOQ/jx9rvTRhHImWxTxFtIyZOoRgn6E6mE71e5Y1q1nuyH544Em+4rNRMMW4bzecQmMmPk+B97MqW9aW6e4BwiCTt52IGfL++5GORYcaITw9UOlQLYH1oHHUNUC6ebHENofLTj ;{id = 64050 (zsk), size = 1024b} +example.com. 3600 IN DNSKEY 257 3 8 AwEAAdL6YJdvoKQJEt/SgB6MrbQ2RDwnrcQQb6bDE8FpGgLen6hvF31ntVsZ3RZzhCmwL6lvumOLFIRKaP9ZBEVutT9iMoF2dNRbT0TCUrv6uQNHcuCZ0BJhuDNBU42f3yOnfFv7PKxd0NP+yFHJkvDQAVLMB5GeUQuYnvgQGeZsf/3b ;{id = 46426 (ksk), size = 1024b} +example.com. 3600 IN RRSIG DNSKEY 8 2 3600 20121126123249 20121029123249 46426 example.com. pisNb/A40XDEiMpcYtxc+yO6osISyfpqz+0UZ61pd70+TLXMF197zr9SqOVJHyRI6G2lSnFggxYrZDpxLbxOW0RY/KfjD3xlI14M/2DieJ1NdlQuYFGgTwxcoINUJ/wRd4YUxkF4JS0D4NBdQ0yQYR0KqDr84oyhnULEHX6WB7s= +SECTION AUTHORITY +SECTION ADDITIONAL +ENTRY_END + +; response to query of interest +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +start.example.com. IN A +SECTION ANSWER +start.example.com. 3600 IN CNAME x.y.z.wc.example.com. +start.example.com. 3600 IN RRSIG CNAME 8 3 3600 20121126123316 20121029123316 64050 example.com. LHpx5n++Z0Jgjjalac+e7wdYSbfurqSDpLRAOI1PybTJkwrMvgDKfp0ycT4HwsLVy7spumZ/Ahg/5II9pai7jCiqv1Iyh6fx19ZVeClTFMOLotCK8xMHACYJIY39BhTwD2D3r9BxbK+RopUlXypwV02yzdY2xEnPCBJVDUn5d0g= +x.y.z.wc.example.com. 3600 IN CNAME x.y.z.end.example.com. +x.y.z.wc.example.com. 3600 IN RRSIG CNAME 8 3 3600 20121126123316 20121029123316 64050 example.com. BCnT6CIuqvF1U9LfiHIovgvXIVFJsCXqQWmnjHtbFvzUlTlfGj+56YBSOEpyCep4CBJ0CBgZ8gl5kWip8N+sTlveU/UWMv4FAkqLXRYjp4CZegslmJIuXU5uS+Q0GlLbWdSB9ZCZcbbO0qrOtUfrJ2ozcSTCS+D+oIZ+CkwvDlQ= +x.y.z.end.example.com. 3600 IN A 1.2.3.5 +x.y.z.end.example.com. 3600 IN RRSIG A 8 3 3600 20121126123249 20121029123249 64050 example.com. MyXXd3MvXtEYVNqWDepM3+Ra/j/b63QehzSHXZe5gL954WxW8KGHPYmeWyhDtruThpZS6s6jeARY2xt0lmEDnMgNyPJGA6UWwTIgvGD0u9Qw5kocCq3ZH4cSG4xu4rmZoi+h8OGrHxUb4jIKzipzAQDxhnAcp/wKF7e+p+OE+Fo= +SECTION AUTHORITY +; H(z.wc.example.com.) = isn85psesctb6afn2q105mv966tqqepi. +isjq5aarcp8p5sukc56g961cccjus5u2.example.com. 86400 IN NSEC3 1 0 1 abcd isoaarjsq14bkqaamivn1t1milkv95lc A RRSIG +isjq5aarcp8p5sukc56g961cccjus5u2.example.com. 86400 IN RRSIG NSEC3 8 3 86400 20121126123259 20121029123259 64050 example.com. Cxwzq1DUQvhkTVHEJHlb92c511Y+uJy/C0yL9br6W/5lB/usuSiK2DjW58ibPh2kLH1P3SpGqd1Y7LigptdXoPBDFakcNcimPWCN93R3J80+vrHHPkPyIsBaywwYI3SNGgfnHfPF+wmH+tZ1vfEHbigOxqPFK+T0ntKq7dkSndg= +; H(z.end.example.com.) = a62608t4becqb6233m87ar7a3648rj3b. +a61sejfu6am5a36p628t4s089s309o44.example.com. 86400 IN NSEC3 1 0 1 abcd a64lt5ij9a1up15h5cdsn1u2071901hu A RRSIG +a61sejfu6am5a36p628t4s089s309o44.example.com. 86400 IN RRSIG NSEC3 8 3 86400 20121126123315 20121029123315 64050 example.com. gfBu4oqo9cVxJbqrw2Ly7mK638kGPOF8l8eh7ovalniwkU3F+PNYJyfSE9yGX8tMGbXrkEW9mAzAh39igr2+Bbzi9WPTRp4RDVM0qw+eyMmQRPWKt7FeanDtP+OcdVp0Hf2aPzsgmgTdS6s0AboUq1rX53H2M6F8xAiwPrBJXDQ= +example.com. 3600 IN NS ns.example.com. +example.com. 3600 IN RRSIG NS 8 2 3600 20121126123249 20121029123249 64050 example.com. cpLjgKPacNxVIGo59tYMZ98GVYpH28WHRWj3AeIHK0StYFcAlflGLdkae1LEgMwfUmzrayrA5GMe3AH8LyuTgA2Dn1oNFxGfuShQvK2MFQ+LxvQfiuoqlAlL5Aa94IWcSoU/wLrr66I1K8oSB2yK1Tyyv73c2N40D1mBbzIE70U= +SECTION ADDITIONAL +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +x.y.z.wc.example.com. IN A +SECTION ANSWER +x.y.z.wc.example.com. 3600 IN CNAME x.y.z.end.example.com. +x.y.z.wc.example.com. 3600 IN RRSIG CNAME 8 3 3600 20121126123316 20121029123316 64050 example.com. BCnT6CIuqvF1U9LfiHIovgvXIVFJsCXqQWmnjHtbFvzUlTlfGj+56YBSOEpyCep4CBJ0CBgZ8gl5kWip8N+sTlveU/UWMv4FAkqLXRYjp4CZegslmJIuXU5uS+Q0GlLbWdSB9ZCZcbbO0qrOtUfrJ2ozcSTCS+D+oIZ+CkwvDlQ= +x.y.z.end.example.com. 3600 IN A 1.2.3.5 +x.y.z.end.example.com. 3600 IN RRSIG A 8 3 3600 20121126123249 20121029123249 64050 example.com. MyXXd3MvXtEYVNqWDepM3+Ra/j/b63QehzSHXZe5gL954WxW8KGHPYmeWyhDtruThpZS6s6jeARY2xt0lmEDnMgNyPJGA6UWwTIgvGD0u9Qw5kocCq3ZH4cSG4xu4rmZoi+h8OGrHxUb4jIKzipzAQDxhnAcp/wKF7e+p+OE+Fo= +SECTION AUTHORITY +isjq5aarcp8p5sukc56g961cccjus5u2.example.com. 86400 IN NSEC3 1 0 1 abcd isoaarjsq14bkqaamivn1t1milkv95lc A RRSIG +isjq5aarcp8p5sukc56g961cccjus5u2.example.com. 86400 IN RRSIG NSEC3 8 3 86400 20121126123259 20121029123259 64050 example.com. Cxwzq1DUQvhkTVHEJHlb92c511Y+uJy/C0yL9br6W/5lB/usuSiK2DjW58ibPh2kLH1P3SpGqd1Y7LigptdXoPBDFakcNcimPWCN93R3J80+vrHHPkPyIsBaywwYI3SNGgfnHfPF+wmH+tZ1vfEHbigOxqPFK+T0ntKq7dkSndg= +a61sejfu6am5a36p628t4s089s309o44.example.com. 86400 IN NSEC3 1 0 1 abcd a64lt5ij9a1up15h5cdsn1u2071901hu A RRSIG +a61sejfu6am5a36p628t4s089s309o44.example.com. 86400 IN RRSIG NSEC3 8 3 86400 20121126123315 20121029123315 64050 example.com. gfBu4oqo9cVxJbqrw2Ly7mK638kGPOF8l8eh7ovalniwkU3F+PNYJyfSE9yGX8tMGbXrkEW9mAzAh39igr2+Bbzi9WPTRp4RDVM0qw+eyMmQRPWKt7FeanDtP+OcdVp0Hf2aPzsgmgTdS6s0AboUq1rX53H2M6F8xAiwPrBJXDQ= +example.com. 3600 IN NS ns.example.com. +example.com. 3600 IN RRSIG NS 8 2 3600 20121126123249 20121029123249 64050 example.com. cpLjgKPacNxVIGo59tYMZ98GVYpH28WHRWj3AeIHK0StYFcAlflGLdkae1LEgMwfUmzrayrA5GMe3AH8LyuTgA2Dn1oNFxGfuShQvK2MFQ+LxvQfiuoqlAlL5Aa94IWcSoU/wLrr66I1K8oSB2yK1Tyyv73c2N40D1mBbzIE70U= +SECTION ADDITIONAL +ENTRY_END + +ENTRY_BEGING +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +x.y.z.end.example.com. IN A +SECTION ANSWER +x.y.z.end.example.com. 3600 IN A 1.2.3.5 +x.y.z.end.example.com. 3600 IN RRSIG A 8 3 3600 20121126123249 20121029123249 64050 example.com. MyXXd3MvXtEYVNqWDepM3+Ra/j/b63QehzSHXZe5gL954WxW8KGHPYmeWyhDtruThpZS6s6jeARY2xt0lmEDnMgNyPJGA6UWwTIgvGD0u9Qw5kocCq3ZH4cSG4xu4rmZoi+h8OGrHxUb4jIKzipzAQDxhnAcp/wKF7e+p+OE+Fo= +SECTION AUTHORITY +a61sejfu6am5a36p628t4s089s309o44.example.com. 86400 IN NSEC3 1 0 1 abcd a64lt5ij9a1up15h5cdsn1u2071901hu A RRSIG +a61sejfu6am5a36p628t4s089s309o44.example.com. 86400 IN RRSIG NSEC3 8 3 86400 20121126123315 20121029123315 64050 example.com. gfBu4oqo9cVxJbqrw2Ly7mK638kGPOF8l8eh7ovalniwkU3F+PNYJyfSE9yGX8tMGbXrkEW9mAzAh39igr2+Bbzi9WPTRp4RDVM0qw+eyMmQRPWKt7FeanDtP+OcdVp0Hf2aPzsgmgTdS6s0AboUq1rX53H2M6F8xAiwPrBJXDQ= +example.com. 3600 IN NS ns.example.com. +example.com. 3600 IN RRSIG NS 8 2 3600 20121126123249 20121029123249 64050 example.com. cpLjgKPacNxVIGo59tYMZ98GVYpH28WHRWj3AeIHK0StYFcAlflGLdkae1LEgMwfUmzrayrA5GMe3AH8LyuTgA2Dn1oNFxGfuShQvK2MFQ+LxvQfiuoqlAlL5Aa94IWcSoU/wLrr66I1K8oSB2yK1Tyyv73c2N40D1mBbzIE70U= +SECTION ADDITIONAL +ns.example.com. 3600 IN A 1.2.3.4 +ns.example.com. 3600 IN RRSIG A 8 2 3600 20121126123249 20121029123249 64050 example.com. zxGyimwFsd39j8T7jJ+tSAQPwZ7tjk6HHmzosTMCRePM4k4newbLb5HbrpucSiW/plaEZvjRTDTJ6bPkw0msPXjPCI/22Zh236XO5vhGtMOlxDgAEazuhifVF6UsM7GZwONPBCvw705HgWQyCR1YlTK2w9ffH3GopU9f4oP7Pmk= +ENTRY_END +RANGE_END + + + +STEP 1 QUERY +ENTRY_BEGIN +REPLY RD DO +SECTION QUESTION +start.example.com. IN A +ENTRY_END + +; recursion happens here. +STEP 10 CHECK_ANSWER +ENTRY_BEGIN +MATCH all +REPLY QR RD RA AD NOERROR +SECTION QUESTION +start.example.com. IN A +SECTION ANSWER +start.example.com. 3600 IN CNAME x.y.z.wc.example.com. +start.example.com. 3600 IN RRSIG CNAME 8 3 3600 20121126123316 20121029123316 64050 example.com. LHpx5n++Z0Jgjjalac+e7wdYSbfurqSDpLRAOI1PybTJkwrMvgDKfp0ycT4HwsLVy7spumZ/Ahg/5II9pai7jCiqv1Iyh6fx19ZVeClTFMOLotCK8xMHACYJIY39BhTwD2D3r9BxbK+RopUlXypwV02yzdY2xEnPCBJVDUn5d0g= +x.y.z.wc.example.com. 3600 IN CNAME x.y.z.end.example.com. +x.y.z.wc.example.com. 3600 IN RRSIG CNAME 8 3 3600 20121126123316 20121029123316 64050 example.com. BCnT6CIuqvF1U9LfiHIovgvXIVFJsCXqQWmnjHtbFvzUlTlfGj+56YBSOEpyCep4CBJ0CBgZ8gl5kWip8N+sTlveU/UWMv4FAkqLXRYjp4CZegslmJIuXU5uS+Q0GlLbWdSB9ZCZcbbO0qrOtUfrJ2ozcSTCS+D+oIZ+CkwvDlQ= +x.y.z.end.example.com. 3600 IN A 1.2.3.5 +x.y.z.end.example.com. 3600 IN RRSIG A 8 3 3600 20121126123249 20121029123249 64050 example.com. MyXXd3MvXtEYVNqWDepM3+Ra/j/b63QehzSHXZe5gL954WxW8KGHPYmeWyhDtruThpZS6s6jeARY2xt0lmEDnMgNyPJGA6UWwTIgvGD0u9Qw5kocCq3ZH4cSG4xu4rmZoi+h8OGrHxUb4jIKzipzAQDxhnAcp/wKF7e+p+OE+Fo= +SECTION AUTHORITY +isjq5aarcp8p5sukc56g961cccjus5u2.example.com. 86400 IN NSEC3 1 0 1 abcd isoaarjsq14bkqaamivn1t1milkv95lc A RRSIG +isjq5aarcp8p5sukc56g961cccjus5u2.example.com. 86400 IN RRSIG NSEC3 8 3 86400 20121126123259 20121029123259 64050 example.com. Cxwzq1DUQvhkTVHEJHlb92c511Y+uJy/C0yL9br6W/5lB/usuSiK2DjW58ibPh2kLH1P3SpGqd1Y7LigptdXoPBDFakcNcimPWCN93R3J80+vrHHPkPyIsBaywwYI3SNGgfnHfPF+wmH+tZ1vfEHbigOxqPFK+T0ntKq7dkSndg= +a61sejfu6am5a36p628t4s089s309o44.example.com. 86400 IN NSEC3 1 0 1 abcd a64lt5ij9a1up15h5cdsn1u2071901hu A RRSIG +a61sejfu6am5a36p628t4s089s309o44.example.com. 86400 IN RRSIG NSEC3 8 3 86400 20121126123315 20121029123315 64050 example.com. gfBu4oqo9cVxJbqrw2Ly7mK638kGPOF8l8eh7ovalniwkU3F+PNYJyfSE9yGX8tMGbXrkEW9mAzAh39igr2+Bbzi9WPTRp4RDVM0qw+eyMmQRPWKt7FeanDtP+OcdVp0Hf2aPzsgmgTdS6s0AboUq1rX53H2M6F8xAiwPrBJXDQ= +example.com. 3600 IN NS ns.example.com. +example.com. 3600 IN RRSIG NS 8 2 3600 20121126123249 20121029123249 64050 example.com. cpLjgKPacNxVIGo59tYMZ98GVYpH28WHRWj3AeIHK0StYFcAlflGLdkae1LEgMwfUmzrayrA5GMe3AH8LyuTgA2Dn1oNFxGfuShQvK2MFQ+LxvQfiuoqlAlL5Aa94IWcSoU/wLrr66I1K8oSB2yK1Tyyv73c2N40D1mBbzIE70U= +SECTION ADDITIONAL +ns.example.com. 3600 IN A 1.2.3.4 +ns.example.com. 3600 IN RRSIG A 8 2 3600 20121126123249 20121029123249 64050 example.com. zxGyimwFsd39j8T7jJ+tSAQPwZ7tjk6HHmzosTMCRePM4k4newbLb5HbrpucSiW/plaEZvjRTDTJ6bPkw0msPXjPCI/22Zh236XO5vhGtMOlxDgAEazuhifVF6UsM7GZwONPBCvw705HgWQyCR1YlTK2w9ffH3GopU9f4oP7Pmk= +ENTRY_END + +SCENARIO_END diff --git a/validator/validator.c b/validator/validator.c index d8f9bbcc4..10b0a243c 100644 --- a/validator/validator.c +++ b/validator/validator.c @@ -1023,6 +1023,13 @@ validate_cname_response(struct module_env* env, struct val_env* ve, chase_reply->security = sec_status_bogus; return; } + + /* If we have found a CNAME, stop looking for one. + * The iterator has placed the CNAME chain in correct + * order. */ + if (ntohs(s->rk.type) == LDNS_RR_TYPE_CNAME) { + break; + } } /* AUTHORITY section */